SR20 PYRANOMETER
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Catalog excerpts

SR20 PYRANOMETER - 1

Thermal Sensors Secondary standard pyranometer SR20 is a solar radiation sensor of the highest category in the ISO 9060 classification system: secondary standard. SR20 pyranometer should be used where the highest measurement accuracy is required. Figure 1 SR20 secondary standard pyranometer Introduction SR20 measures the solar radiation received by a plane surface, in W/m2, from a 180o field of view angle. SR20 enables you to attain the highest measurement accuracy and excels in demanding applications. After a thorough programme of acceptance testing, SR20 secondary standard pyranometer was released February 2013. Improved measurement accuracy Figure 2 dual setup in PV system performance monitoring In order to improve overall measurement accuracy, Hukseflux effectively targeted two major sources of measurement uncertainty: calibration and “zero offset a”. The initial calibration uncertainty is reduced to less than 1.2 %, an improvement of 15 % relative to competing models. The “zero offset a” specification of SR20 is 5 W/m2 unventilated. Competing models state 12 W/m2 unventilated and 7 W/m2 ventilated. Copyright by Hukseflux. Version 1302. We reserve the right to change specifications without prior notice Page 1/3. For Hukseflux Thermal Sensors go to www.hukseflux.com or e-mail us: info@hukseflux.com

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SR20 PYRANOMETER - 2

Thermal Sensors Demanding applications Uncertainty evaluation SR20’s low temperature dependence makes it an ideal candidate for use under very cold and very hot conditions. The temperature dependence of every individual instrument is tested and supplied as a second degree polynomial. This information can be used for further reduction of temperature dependence during post-processing. The incorporated heater reduces measurement errors caused by early-morning dew deposition. The uncertainty of a measurement under outdoor conditions depends on many factors. Guidelines for uncertainty evaluation...

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SR20 PYRANOMETER - 3

Thermal Sensors PV system performance monitoring scientific meteorological observations reference instrument for comparison extreme climates (tropical / polar) Figure 5 SR20 side view SR20-TR secondary standard pyranometer with 4-20 mA transmitter alternative instruments: SR11 and LP02 for lower accuracy measurements SR12 first class pyranometer for solar energy testing applications the making of SR20 documented view our complete product range of solar sensors hemispherical solar radiation ISO classification secondary standard pyranometer Calibration uncertainty < 1.2 % (k = 2) Zero offset...

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All Hukseflux Thermal Sensors B.V. catalogs and technical brochures

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  2. FHF06

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  3. TRSYS20

    4 Pages

  4. FHF05 series

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  5. HTR02 series

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  6. SRA01

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  7. RA01

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  10. SR30-M2-D1

    6 Pages

  11. SR15 series

    4 Pages

  12. TP08

    2 Pages

  13. TP02

    2 Pages

  14. TP01

    1 Pages

  15. TRSYS01

    1 Pages

  16. TNS01

    1 Pages

  17. THISYS

    3 Pages

  18. HF03 / LI19

    1 Pages

  19. HF02

    2 Pages

  20. ALUSYS

    1 Pages

  21. WS01

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  22. CRC series

    1 Pages

  23. GT series

    2 Pages

  24. TPSYS02

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  25. THASYS

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  26. IR02-TR

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  27. DR01

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